diff --git a/src/core/mem-search.c b/src/core/mem-search.c
index dbe8f94e6..4f007d9ef 100644
--- a/src/core/mem-search.c
+++ b/src/core/mem-search.c
@@ -137,9 +137,9 @@ static size_t _searchGuess(const void* mem, size_t size, const struct mCoreMemor
 	// Decimal:
 	value = strtoll(params->valueStr, &end, 10);
 	if (end && !end[0]) {
-		if (value > 0x10000) {
+		if ((params->width == -1 && value > 0x10000) || params->width == 4) {
 			found += _search32(mem, size, block, value, params->op, out, limit ? limit - found : 0);
-		} else if (value > 0x100) {
+		} else if ((params->width == -1 && value > 0x100) || params->width == 2) {
 			found += _search16(mem, size, block, value, params->op, out, limit ? limit - found : 0);
 		} else {
 			found += _search8(mem, size, block, value, params->op, out, limit ? limit - found : 0);
@@ -151,9 +151,9 @@ static size_t _searchGuess(const void* mem, size_t size, const struct mCoreMemor
 			value /= 10;
 			divisor *= 10;
 
-			if (value > 0x10000) {
+			if ((params->width == -1 && value > 0x10000) || params->width == 4) {
 				found += _search32(mem, size, block, value, params->op, &tmp, limit ? limit - found : 0);
-			} else if (value > 0x100) {
+			} else if ((params->width == -1 && value > 0x100) || params->width == 2) {
 				found += _search16(mem, size, block, value, params->op, &tmp, limit ? limit - found : 0);
 			} else {
 				found += _search8(mem, size, block, value, params->op, &tmp, limit ? limit - found : 0);
@@ -170,9 +170,9 @@ static size_t _searchGuess(const void* mem, size_t size, const struct mCoreMemor
 	// Hex:
 	value = strtoll(params->valueStr, &end, 16);
 	if (end && !end[0]) {
-		if (value > 0x10000) {
+		if ((params->width == -1 && value > 0x10000) || params->width == 4) {
 			found += _search32(mem, size, block, value, params->op, out, limit ? limit - found : 0);
-		} else if (value > 0x100) {
+		} else if ((params->width == -1 && value > 0x100) || params->width == 2) {
 			found += _search16(mem, size, block, value, params->op, out, limit ? limit - found : 0);
 		} else {
 			found += _search8(mem, size, block, value, params->op, out, limit ? limit - found : 0);
@@ -184,9 +184,9 @@ static size_t _searchGuess(const void* mem, size_t size, const struct mCoreMemor
 			value >>= 4;
 			divisor <<= 4;
 
-			if (value > 0x10000) {
+			if ((params->width == -1 && value > 0x10000) || params->width == 4) {
 				found += _search32(mem, size, block, value, params->op, &tmp, limit ? limit - found : 0);
-			} else if (value > 0x100) {
+			} else if ((params->width == -1 && value > 0x100) || params->width == 2) {
 				found += _search16(mem, size, block, value, params->op, &tmp, limit ? limit - found : 0);
 			} else {
 				found += _search8(mem, size, block, value, params->op, &tmp, limit ? limit - found : 0);
diff --git a/src/platform/qt/MemorySearch.cpp b/src/platform/qt/MemorySearch.cpp
index 934d20573..4ff967da5 100644
--- a/src/platform/qt/MemorySearch.cpp
+++ b/src/platform/qt/MemorySearch.cpp
@@ -61,6 +61,9 @@ bool MemorySearch::createParams(mCoreMemorySearchParams* params) {
 		if (m_ui.bits32->isChecked()) {
 			params->width = 4;
 		}
+		if (m_ui.bitsGuess->isChecked()) {
+			params->width = -1;
+		}
 		if (m_ui.numHex->isChecked()) {
 			uint32_t v = m_ui.value->text().toUInt(&ok, 16);
 			if (ok) {
diff --git a/src/platform/qt/MemorySearch.ui b/src/platform/qt/MemorySearch.ui
index 4fc18176b..4e8649e42 100644
--- a/src/platform/qt/MemorySearch.ui
+++ b/src/platform/qt/MemorySearch.ui
@@ -114,6 +114,19 @@
       </widget>
      </item>
      <item row="4" column="1">
+      <widget class="QRadioButton" name="bitsGuess">
+       <property name="text">
+        <string>Guess</string>
+       </property>
+       <property name="checked">
+        <bool>true</bool>
+       </property>
+       <attribute name="buttonGroup">
+        <string notr="true">width</string>
+       </attribute>
+      </widget>
+     </item>
+     <item row="5" column="1">
       <widget class="QRadioButton" name="bits8">
        <property name="text">
         <string>1 Byte (8-bit)</string>
@@ -123,7 +136,7 @@
        </attribute>
       </widget>
      </item>
-     <item row="5" column="1">
+     <item row="6" column="1">
       <widget class="QRadioButton" name="bits16">
        <property name="text">
         <string>2 Bytes (16-bit)</string>
@@ -133,34 +146,34 @@
        </attribute>
       </widget>
      </item>
-     <item row="6" column="1">
+     <item row="7" column="1">
       <widget class="QRadioButton" name="bits32">
        <property name="text">
         <string>4 Bytes (32-bit)</string>
        </property>
        <property name="checked">
-        <bool>true</bool>
+        <bool>false</bool>
        </property>
        <attribute name="buttonGroup">
         <string notr="true">width</string>
        </attribute>
       </widget>
      </item>
-     <item row="7" column="0" colspan="2">
+     <item row="8" column="0" colspan="2">
       <widget class="Line" name="line_2">
        <property name="orientation">
         <enum>Qt::Horizontal</enum>
        </property>
       </widget>
      </item>
-     <item row="8" column="0">
+     <item row="9" column="0">
       <widget class="QLabel" name="label_4">
        <property name="text">
         <string>Number type</string>
        </property>
       </widget>
      </item>
-     <item row="8" column="1">
+     <item row="9" column="1">
       <widget class="QRadioButton" name="numGuess">
        <property name="text">
         <string>Guess</string>
@@ -170,35 +183,35 @@
        </property>
       </widget>
      </item>
-     <item row="9" column="1">
+     <item row="10" column="1">
       <widget class="QRadioButton" name="numDec">
        <property name="text">
         <string>Decimal</string>
        </property>
       </widget>
      </item>
-     <item row="10" column="1">
+     <item row="11" column="1">
       <widget class="QRadioButton" name="numHex">
        <property name="text">
         <string>Hexadecimal</string>
        </property>
       </widget>
      </item>
-     <item row="11" column="0" colspan="2">
+     <item row="12" column="0" colspan="2">
       <widget class="Line" name="line_3">
        <property name="orientation">
         <enum>Qt::Horizontal</enum>
        </property>
       </widget>
      </item>
-     <item row="12" column="0">
+     <item row="13" column="0">
       <widget class="QLabel" name="label_5">
        <property name="text">
         <string>Compare</string>
        </property>
       </widget>
      </item>
-     <item row="12" column="1">
+     <item row="13" column="1">
       <widget class="QRadioButton" name="opEqual">
        <property name="text">
         <string>Equal</string>
@@ -211,7 +224,7 @@
        </attribute>
       </widget>
      </item>
-     <item row="13" column="1">
+     <item row="14" column="1">
       <widget class="QRadioButton" name="opGreater">
        <property name="text">
         <string>Greater</string>
@@ -221,7 +234,7 @@
        </attribute>
       </widget>
      </item>
-     <item row="14" column="1">
+     <item row="15" column="1">
       <widget class="QRadioButton" name="opLess">
        <property name="text">
         <string>Less</string>
@@ -231,7 +244,7 @@
        </attribute>
       </widget>
      </item>
-     <item row="15" column="1">
+     <item row="16" column="1">
       <widget class="QRadioButton" name="opDelta">
        <property name="enabled">
         <bool>false</bool>