diff --git a/src/bin/gawk/Jamfile b/src/bin/gawk/Jamfile
index ad03630fa4..4fd9b38e7b 100644
--- a/src/bin/gawk/Jamfile
+++ b/src/bin/gawk/Jamfile
@@ -1,5 +1,7 @@
 SubDir HAIKU_TOP src bin gawk ;
 
+SetSubDirSupportedPlatformsBeOSCompatible ;
+
 # filter warnings we don't want here
 TARGET_WARNING_CCFLAGS = [ FFilter $(TARGET_WARNING_CCFLAGS)
 	: -Wall -Wmissing-prototypes -Wsign-compare ] ;
diff --git a/src/bin/gawk/intl/Jamfile b/src/bin/gawk/intl/Jamfile
index 02fbb3cd87..0b03a258e7 100644
--- a/src/bin/gawk/intl/Jamfile
+++ b/src/bin/gawk/intl/Jamfile
@@ -1,5 +1,7 @@
 SubDir HAIKU_TOP src bin gawk intl ;
 
+SetSubDirSupportedPlatformsBeOSCompatible ;
+
 # filter warnings we don't want here
 TARGET_WARNING_CCFLAGS = [ FFilter $(TARGET_WARNING_CCFLAGS)
 	: -Wall -Wmissing-prototypes -Wsign-compare ] ;