diff --git a/Source/DSPSpy/tests/if_test2.ds b/Source/DSPSpy/tests/if_test2.ds
index a4041e4c10..f41335ff47 100644
--- a/Source/DSPSpy/tests/if_test2.ds
+++ b/Source/DSPSpy/tests/if_test2.ds
@@ -1,4 +1,5 @@
 ; This test checks the effect of various SR flags over ifg and ifle
+incdir  "tests"
 include "dsp_base.inc"
 
 lri $IX0, #0x0000
diff --git a/Source/DSPSpy/tests/if_test3.ds b/Source/DSPSpy/tests/if_test3.ds
index a2c844dded..39c9cdbb88 100644
--- a/Source/DSPSpy/tests/if_test3.ds
+++ b/Source/DSPSpy/tests/if_test3.ds
@@ -1,4 +1,5 @@
 ; This test checks the effect of various SR flags over ifg and ifle
+incdir  "tests"
 include "dsp_base.inc"
 
 lri $IX0, #0x0000
diff --git a/Source/DSPSpy/tests/if_test4.ds b/Source/DSPSpy/tests/if_test4.ds
index c23f169ce1..f13ad34104 100644
--- a/Source/DSPSpy/tests/if_test4.ds
+++ b/Source/DSPSpy/tests/if_test4.ds
@@ -1,4 +1,5 @@
 ; This test checks the effect of various SR flags over ifz and ifnz
+incdir  "tests"
 include "dsp_base.inc"
 
 lri $IX0, #0x0000
diff --git a/Source/DSPSpy/tests/if_test5.ds b/Source/DSPSpy/tests/if_test5.ds
index 7cfcffc842..43c04b3f65 100644
--- a/Source/DSPSpy/tests/if_test5.ds
+++ b/Source/DSPSpy/tests/if_test5.ds
@@ -1,4 +1,5 @@
 ; This test checks the effect of various SR flags over iflz and ifnlz
+incdir  "tests"
 include "dsp_base.inc"
 
 lri $IX0, #0x0000