diff --git a/tests/raw-entropy/recording_userspace/Makefile.hashtime b/tests/raw-entropy/recording_userspace/Makefile.hashtime
index 82b8472..7b063bd 100644
--- a/tests/raw-entropy/recording_userspace/Makefile.hashtime
+++ b/tests/raw-entropy/recording_userspace/Makefile.hashtime
@@ -6,6 +6,9 @@ CFLAGS +=-Wextra -Wall -pedantic -fPIC -O0
 CFLAGS +=-fwrapv --param ssp-buffer-size=4 -fvisibility=hidden -fPIE -Wcast-align -Wmissing-field-initializers -Wshadow -Wswitch-enum
 LDFLAGS +=-Wl,-z,relro,-z,now
 
+# Enable internal timer support
+CFLAGS += -DJENT_CONF_ENABLE_INTERNAL_TIMER
+
 GCCVERSIONFORMAT := $(shell echo `$(CC) -dumpversion | sed 's/\./\n/g' | wc -l`)
 ifeq "$(GCCVERSIONFORMAT)" "3"
   GCC_GTEQ_490 := $(shell expr `$(CC) -dumpversion | sed -e 's/\.\([0-9][0-9]\)/\1/g' -e 's/\.\([0-9]\)/0\1/g' -e 's/^[0-9]\{3,4\}$$/&00/'` \>= 40900)