diff --git a/meta/conf/distro/include/ptest-packagelists.inc b/meta/conf/distro/include/ptest-packagelists.inc
index 453fb87c17..ffeb322bf2 100644
--- a/meta/conf/distro/include/ptest-packagelists.inc
+++ b/meta/conf/distro/include/ptest-packagelists.inc
@@ -160,8 +160,8 @@ PTESTS_PROBLEMS:append:riscv32 = " lttng-tools strace"
 PTESTS_SLOW:append:libc-musl = " libc-test"
 
 # These tests don't yet pass for riscv64
-PTESTS_SLOW:remove:riscv64 = "tcl tcl8 python3-cffi strace lttng-tools python3-numpy perl glib-2.0"
-PTESTS_PROBLEMS:append:riscv64 = " tcl tcl8 python3-cffi strace lttng-tools python3-numpy perl glib-2.0"
+PTESTS_SLOW:remove:riscv64 = "tcl tcl8 python3-cffi strace lttng-tools python3-numpy perl glib-2.0 libpng"
+PTESTS_PROBLEMS:append:riscv64 = " tcl tcl8 python3-cffi strace lttng-tools python3-numpy perl glib-2.0 libpng"
 
 # These tests don't yet pass for musl qemuarm64
 PTESTS_SLOW:remove:libc-musl:qemuarm64 = "strace perl gnutls glib-2.0"