diff --git a/build/scripts/build_cross_tools b/build/scripts/build_cross_tools
index 5f37ac0e95..3f773a7383 100755
--- a/build/scripts/build_cross_tools
+++ b/build/scripts/build_cross_tools
@@ -161,7 +161,7 @@ make install-gcc-cross || {
 # Remove the math.h gcc header. It has been generated by fixincludes
 # (unconditional hack: math_huge_val_ifndef) from ours and it is semantically
 # equivalent.
-rm $installDir/lib/gcc-lib/i586-pc-haiku/$haikuRequiredLegacyGCCVersion/include/math.h
+rm -f $installDir/lib/gcc-lib/i586-pc-haiku/$haikuRequiredLegacyGCCVersion/include/math.h
 
 
 # cleanup